Heron Bay Weather Forecast
- 59
- 81
Increasing Clouds
- 60
- 79
Mostly Sunny
- 60
- 77
Partly Sunny
- 61
- 81
Mostly Sunny
- 62
- 77
Mostly Sunny
- 62
- 73
Partly Sunny
- 60
- 70
Mostly Sunny
Today 4 Aug San Francisco Bay Shoreline
Sunny. Highs in the 70s to upper 80s. Northwest Winds 5 to 15 Mph.
Tonight 4 Aug San Francisco Bay Shoreline
Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. Northwest Winds 10 to 15 Mph decreasing to up to 5 Mph after midnight.
Heron Bay Temperature Statistics
August Temperature
Hayward, Hayward Air Terminal (3.1 miles)
Lowest 2 August, 2026
57.9 °FAverage August
68.8 °FHighest 2 August, 2026
84 °F
Climate (2021–2026)
Hayward, Hayward Air Terminal (3.1 miles)
Average Low 2021–2026
52.4 °FAverage 2021–2026
59.8 °FAverage High 2021–2026
69.2 °F